Iscar 5902241 Threading Insert 14 Tpi Nptf IC908 Carbide

Product Description

The ISCAR 5902241 is a laydown-style threading insert engineered for cutting internal NPTF threads at 14 threads per inch. Built from solid carbide and coated with a TiN/TiAlN finish applied via PVD process, this insert delivers wear resistance and thermal stability across a wide range of workpiece materials. The IC908 grade is rated for universal application, covering ferrous and non-ferrous materials including steel, cast iron, stainless, aluminum, and superalloys. The right-hand configuration and 11IR insert style make it a direct fit for compatible ISCARTHREAD series toolholders. Thickness is 0.126 inches with a 6.35 mm inscribed circle. Licensed machinists and tool-and-die professionals handling pipe thread operations are the primary users.

This insert is suited for internal NPTF thread milling and turning operations in both production and maintenance machining environments. NPTF is a dryseal pipe thread standard requiring precise fit, making insert geometry and grade selection critical. The 14 TPI specification targets standard pipe thread applications in plumbing, hydraulic, and pneumatic fitting work. The universal primary workpiece material rating means this insert transitions between job materials without requiring a grade change, reducing tooling inventory for shops running mixed-material work.

Key Features

• Solid carbide construction with PVD-applied TiN/TiAlN coating for extended tool life
• IC908 grade rated for universal workpiece materials including steel, cast iron, stainless, aluminum, non-ferrous, and superalloys
• Right-hand internal NPTF thread geometry at 14 TPI for dryseal pipe thread applications
• 11IR insert style compatible with ISCARTHREAD series toolholders
• Corner radius of 0.08 mm (0.003 inches) for precise thread form accuracy
• Conforms to ISO 13399 tooling data standards

Compatibility

Designed for use with ISCARTHREAD series internal threading toolholders accepting the 11IR insert style with a 6.35 mm inscribed circle. Confirm toolholder compatibility by insert style code and inscribed circle size before ordering.

Installation Notes

Threading inserts of this type are installed and replaced by machinists operating CNC or manual lathes and threading equipment. Ensure the machine spindle is fully stopped and all motion has ceased before changing inserts. Use the appropriate torx or hex key to the toolholder manufacturer's specified procedure, and inspect the insert seat and clamping screw for wear or debris before seating a new insert. Handle solid carbide inserts with care to avoid chipping on edges prior to use.